import router from './router'
import store from './store'
import storage from 'store'
import NProgress from 'nprogress' // progress bar
import '@/components/NProgress/nprogress.less' // progress bar custom style
import notification from 'ant-design-vue/es/notification'
import {
  message
} from 'ant-design-vue'
import {
  setDocumentTitle,
  domTitle
} from '@/utils/domUtil'
import {
  ACCESS_TOKEN
} from '@/store/mutation-types'
import {
  i18nRender
} from '@/locales'
import {
  asyncRouterMap
} from '@/config/router.config'
NProgress.configure({
  showSpinner: false
}) // NProgress Configuration
const allowList = ['login', 'register', 'registerResult'] // no redirect allowList
const loginRoutePath = '/user/login'
const defaultRoutePath = '/statistics-msg'

function firstPath() {
  console.log(store.getters.addRouters);
  if( store.getters.addRouters.length == 0) return defaultRoutePath
  let str = ''
  store.getters.addRouters.forEach(v => {
    if (str == '') {
      str = v.children[0] ? v.children[0].path : ''
    }
  })
  return str
}

function forEachRouter(a_router, a_list) {
  a_router.forEach(v => {
    a_list.push(v.name)
    if (v.children) {
      forEachRouter(v.children, a_list)
    }
  })

}
forEachRouter(asyncRouterMap, allowList)



router.beforeEach((to, from, next) => {
  console.log(to.path);
  NProgress.start() // start progress bar
  to.meta && typeof to.meta.title !== 'undefined' && setDocumentTitle(`${i18nRender(to.meta.title)} - ${domTitle}`)
  /* has token */
  
  if (storage.get(ACCESS_TOKEN)) {
    console.log(1);
    if (to.path === loginRoutePath) {
      firstPath()
      next({
        path: firstPath()
      })
      NProgress.done()
    } else {
      if (store.getters.addRouters.length === 0) {

        // request login userInfo
        store.dispatch('GetInfo')
          .then(res => {

            const roles = res.data && res.data.permissionList
            // generate dynamic router
            store.dispatch('GenerateRoutes', {
              roles
            }).then(async () => {
              // 根据roles权限生成可访问的路由表
              // 动态添加可访问路由表
              // VueRouter@3.5.0+ New API


              store.getters.addRouters.forEach(r => {
                console.log(r);
                router.addRoute(r)
              })
              // 请求带有 redirect 重定向时，登录自动重定向到该地址
              const redirect = decodeURIComponent(from.query.redirect || to.path)
              setTimeout(() => {
                if (to.path === redirect) {
                  // set the replace: true so the navigation will not leave a history record
                  next({
                    ...to,
                    replace: true
                  })
                } else {
                  // 跳转到目的路由
                  next({
                    path: redirect
                  })
                }
              }, 200)

            })
          })
          .catch((err) => {
            notification.error({
              message: '错误',
              description: '请求用户信息失败，请重试'
            })
            // if(err)
            // 失败时，获取用户信息失败时，调用登出，来清空历史保留信息
            store.dispatch('Logout').then(() => {
              next({
                path: loginRoutePath,
                query: {
                  redirect: to.fullPath
                }
              })
            }).catch(() => {
              storage.remove(ACCESS_TOKEN)
              next({
                path: loginRoutePath,
                query: {
                  redirect: to.fullPath
                }
              })
            })
            // '/user/login'
          })
      } else {
        next()
      }
    }
  } else {
    // next()
    // message.success(to.name)
    // message.success(allowList.join(','))
    // message.success(allowList.indexOf(to.name))
    // message.success(String(allowList.indexOf(to.name) == -1))
    
    // alert(to.name)
    if (allowList.indexOf(to.name) == -1) {
      // 在免登录名单，直接进入
      // message.success(1)
      next({
        path: loginRoutePath,
        query: {
          redirect: to.fullPath
        }
      })
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
    } else {
      // message.success(2)
      next()
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})